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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Alkoy, E.M. Papila, M. |
| Copyright Year | 2009 |
| Description | Author affiliation: Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul, Turkey (Alkoy, E.M.; Papila, M.) |
| Abstract | In the present study, the effects of CuO addition on the properties of potassium sodium niobate (K - KNN ceramics and fibers were reported. Bulk KNN samples were prepared by dry-pressing and KNN fibers were also obtained by a novel alginate gelation method. All samples have crystallized in pure orthorhombic perovskite phase. Addition of 1.5 mole% CuO caused grain growth, densification and formation of a liquid phase at the grain boundaries. Curie temperature has shifted to lower temperatures with increasing CuO ratio. Double hysteresis loops were observed for the 1.5 mole% CuO-added KNN. Piezeoelectric properties of d=120 pC/N, k=0.27 and Q=772 were obtained from the 1.5 mole% CuO-added KNN. 1–3 KNN fiber/epoxy composites were also prepared from CuO added KNN fibers, and dielectric constant and loss of 1–3 composite were 81 and 1%, respectively. |
| Starting Page | 960 |
| Ending Page | 963 |
| File Size | 1980385 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424443895 |
| ISSN | 19485727 |
| DOI | 10.1109/ULTSYM.2009.5442013 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-20 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Ceramics Environmentally friendly manufacturing techniques Powders Piezoelectric materials Ferroelectric materials Niobium compounds Temperature Bioceramics Lead compounds Grain boundaries 1–3 connectivity potassium sodium niobate lead-free fiber piezoelectric piezocomposites |
| Content Type | Text |
| Resource Type | Article |
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